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if for the same disk of problem the trial weight of 2 oz is placed at 135deg cw from the reference mark the new
a balanced wheel supported on springs as shown in figure is rotating at 1200 rpm if a bolt weighing 15 g and located 5
if the wheel of prob 3-9 shows resonance at 900 rpm with damping of 010 determine the phase lag of the original
prove that a long rotor can be balanced by adding or removing weights in any two parallel planes and modify the single
a counterrotating eccentric mass exciter shown in figure is used to determine the vibrational characteristics of a
for turbines operating above the critical speed stops are provided to limit the amplitude as they run through the
convert all units in prob 3-16 to the si system and recalculate the lowest critical speeda solid disk weighing 10 ib is
the rotor of a turbine 136 kg in mass is supported at the midspan of a shaft with bearings 04064 m apart as shown in
figure represents a simplified diagram of a spring-supported vehicle traveling over a rough roaddetermine the equation
the springs of an automobile trailer are compressed 1016 cm under its weightfind the critical speed when the trailer is
two uniform stiff bars are hinged at the middle and constrained by a spring as shown in figure using virtual work set
the system shown in figure has two rigid uniform beams of length land mass per unit length m hinged at the middle and
a machine part of mass 195 kg vibrates in a viscous medium determine the damping coefficient when a harmonic exciting
determine the differential equation of motion for free vibration of the system shown in figure below using virtual
determine the differential equation of motion and establish the critical damping for the system shown in
a satellite in earths orbit is accelerating towards the earth explain why on average the satellite is not getting
a particle of mass 1 kg is executing simple harmonic motion of amplitude 15 cm with a frequency 60hz find the velocity
a ladder of weight 500 n and length 100 m is placed against a smooth vertical wall a person weighing 750 n stands on
a find the moment of inertia of a mass of 10kg and another mass of 15kg rotating about an axis that is 45 cm from the
a circular disc of radius 25 cm and of mass 05 kg is revolting in its plane with an angular velocity of 5 radians per
a 2 kg particle starts from rest from the top of an inclined plane at an angle of 30 degrees from the horizontal the
radio stations are identified by their frequency but if you looked closely at the electromagnetic wave that is emitted
the mercury used in fluorescent lights is toxic it would be great if we could find an alternative vapor in the
consider the expansion of 600 moles of a monatomic ideal gas along processes 1 and 2 in the figure on process 1 the gas
a 500 n box slides down a 100 m high playground slide it starts from rest and its speed at the bottom is 45 ms what is